Electromagnetism Forum

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Undergrad Efficiency of electrical heat vs. mechanical heating
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Undergrad Is all electrical energy eventually lost as heat in solid state electronics?
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Graduate Why is knowing the total charge on the conductors enough?
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High School Smart magnets that connect either way?
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Graduate Ampere Law in a hole Should give zero?
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High School The uses of piezoelectric disks
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Undergrad Energy transfer in electromagnetic induction
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Undergrad How is the geomagnetic prime meridian defined?
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Undergrad Role of ground in charging a parallel plate capacitor
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Graduate Outward force on current loop (Ampere's Force Law)
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Undergrad Why Are Primary Turns Fewer and Thicker in Step-Up Transformers?
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Undergrad Is the Faraday Cage invulnerable?
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High School What Exactly is Alternating Current
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Undergrad How does current flow in the primary coil during transformer self induction?
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Undergrad Solving Linear Circuit Problems to Using Complex Currents and Charges"
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Undergrad Creating static electricity from an electrical current
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Undergrad Design electromagnet in pipeline
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Undergrad Relation b/w elctrical resistance and stress-strain
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Graduate Equivalence principle implies uniformly accelerated charge doesn't radiate?
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Undergrad Calculating Magnetic Flux in 3D
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Graduate How to derivate Maxwell Boltzmann Distribution
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Undergrad Voltage on a positively charged object?
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Undergrad Can a Charged Particle Lose its Charge While Moving at Different Speeds?
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Undergrad How can I negatively charge a piece of lead? (A Skeptic's question)
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Graduate Guess solution to fields by minimizing the action.
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Undergrad Friction and rolling resistance, and work done queries
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Undergrad Calculate electromagnetic force on iron object
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Undergrad Electromagnetic levitation Relations
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Graduate Is Electromagnetism's Causality Consistent with Special Relativity?
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Undergrad Charge distribution over a solid conductor
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Undergrad Accelerating electromagnetic system
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Undergrad Why does a charged capacitor provide current to a circuit?
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Undergrad Why is there a voltage when water freezes?
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Graduate Condition of continuity of E field at a boundary
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Undergrad Magnetic field of iron core solenoid
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Undergrad Magnetic Force Inverse Cubed Law?
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High School Effect on current, if a higher voltage is applied
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Undergrad Why is a hydrogen atom lighter than a electron and a proton
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Undergrad Electrostatic forces between multiple particles
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Undergrad Can't have high voltage function generator. What about low voltage Tesla coil?
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Graduate Feynman's Nobel classical electrodynamics action
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High School Mass of Electron: 9.10938291x10-31 kg
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High School Is current reduced in a resistor?
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Graduate Expressing sol. of Poisson eqn. in terms of vol. and sur. integrals.
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High School Electrons in electromagnetic induction
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Graduate Thide's treatment of magnetostatics
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High School Why is "r" Used for Distance in this Equation?
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Undergrad Why p type semiconductor is electrically neutral
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Graduate E-Field from Rotating Charged Rod: Cerenkov?
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Undergrad Difference in energy between potential and light in photoelectric effect
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High School Permanent Magnet vs. Electromagnet: What's the Difference?
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Undergrad Effect of spinning magnets on gauss readings
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Undergrad Conceptual doubts about capacitors and dipole antennas
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Undergrad Magnetism in a current carrying wire
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Undergrad Earth magnetism and its application
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High School Im curious about magnets Can they be a source of energy or not?
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High School How do electricity and superconductors work?
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High School Current & Voltage: Understanding Resistance Limits
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Graduate Eric Giler: Wireless Electricity Demo
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Graduate Does Ohm's Law Fully Apply to High-Frequency PCB Signal Paths?
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Undergrad Types of Piezoelectric Crystals to Harvest Sound
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Undergrad Electromagnetic motor using battery and magnet?
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Undergrad How are the gravitational and electric force comparable?
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High School What is the force that hold the electrons?
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Undergrad Smoothing of rectified voltage with capacitor
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Undergrad Discovery of electrons - How did Thomson know they were particles?
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Graduate Induced Electric Field: Near Magnetic Field?
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Undergrad Is Frequency Vibration in Electromagnetic Waves?
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Graduate Electric Force on a charged conductive body
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High School How do you convert Heat into stored Energy/Electricity?
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Graduate Electromagnetism - Poynting vector
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High School Does an electron actually spin around its axis?
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Undergrad Induction, magnetism and conductivity‏
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High School How friction is an electromagnetic force?
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Undergrad Understanding the Equation ε=ΔV/r: Parallel Plates vs. Point Charges
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Graduate Light from Distinct Electric and Magnetic Fields?
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Undergrad Cockcroft-walton generator, How to increase voltage?
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High School Why would our hands lose electrons easily?
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Graduate How can low energy light be detected if it's too weak to knock out an electron?
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Graduate Faster than light electron spin
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Graduate Why does valence electrons not produce electric field in the space?
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Undergrad Understanding Coulomb's Law: Particle Acceleration and Energy Exchange Explained
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Undergrad Why do electric flux and charge have the same units?
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High School Confused about Current Flow & Capacitances
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Undergrad Forces Involved in an Electrical Motor According to Newton's Law
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Graduate Electrodynamics without fields?
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High School Can magnets defy the law of energy conservation?
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High School Parallel Batteries and their effect on Current.
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Graduate MAxwell reciprocal theorem and symmetric stiffness matrix
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Undergrad Direction of electrical force in coloumb's law
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Undergrad Escape of Electrons from Nucleus: Frequency and Occurrence in Atoms
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Graduate Induced current on a metallic ring
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Undergrad Electric flux, vector or scalar?
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High School Perpetual Battery with Pickup Coil and Magnents
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Undergrad Can a Cell Phone Spin Too Fast to Communicate?
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Graduate Magnetic Moment Definition Verification/ Proof
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Undergrad Calculate Natural frequency of a vibrator
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Graduate Current Concentrated Along Axis
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Graduate Photon is electromagnetic field, right?
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Graduate Energy of an electric quadrupole in an Electric Field
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